Home / 12,166,566.80-16,789,837.75-6,659,943.19

Finding the Fourth Proportional to 12,166,566.80, 16,789,837.75 and 6,659,943.19

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Solution

The fourth proportional to 12,166,566.80, 16,789,837.75 and 6,659,943.19 is: 9,190,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,566.80 : 16,789,837.75 = 6,659,943.19 : x
  2. Step 2: Convert to fraction form
    12,166,566.80/16,789,837.75 = 6,659,943.19/x
  3. Step 3: Cross multiply
    12,166,566.80x = 16,789,837.75 × 6,659,943.19
  4. Step 4: Simplify right side
    12,166,566.80x = 111,819,365,525,692.97
  5. Step 5: Solve for x
    x = 111,819,365,525,692.97/12,166,566.80
  6. Step 6: Final answer
    x = 9,190,708.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.